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https://issues.apache.org/jira/browse/RATIS-677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16929571#comment-16929571
 ] 

Hadoop QA commented on RATIS-677:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
16s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are not available. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
57s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
22s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
56s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
20s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
42s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
6s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
56s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 12s{color} | {color:orange} root: The patch generated 2 new + 8 unchanged - 
0 fixed = 10 total (was 8) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 17m  4s{color} 
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
18s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 26m  9s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | ratis.grpc.TestWatchRequestWithGrpc |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.1 Server=19.03.1 Image:yetus/ratis:date2019-09-13 |
| JIRA Issue | RATIS-677 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12980306/r677_20190913.patch |
| Optional Tests |  dupname  asflicense  javac  javadoc  unit  findbugs  
checkstyle  compile  |
| uname | Linux 6bdb21e7bbaf 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 
10:55:24 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-RATIS-Build/yetus-personality.sh
 |
| git revision | master / 67ba9cd |
| maven | version: Apache Maven 3.6.0 
(97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z) |
| Default Java | 1.8.0_222 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-RATIS-Build/969/artifact/out/diff-checkstyle-root.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-RATIS-Build/969/artifact/out/patch-unit-root.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-RATIS-Build/969/testReport/ |
| Max. process+thread count | 2339 (vs. ulimit of 5000) |
| modules | C: ratis-common ratis-server ratis-test U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-RATIS-Build/969/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Logentry marked corrupt due to ChecksumException
> ------------------------------------------------
>
>                 Key: RATIS-677
>                 URL: https://issues.apache.org/jira/browse/RATIS-677
>             Project: Ratis
>          Issue Type: Bug
>          Components: server
>            Reporter: Sammi Chen
>            Assignee: Tsz Wo Nicholas Sze
>            Priority: Blocker
>         Attachments: r677_20190913.patch
>
>
> Steps:
> 1.  Run Teragen and generated a few GB data in a 4 datanodes cluster.  
> 2.  Stoped the datanodes through ./stop-ozone.sh.
> 3.  Changed the ozone binaries
> 4.  Start the cluster through ./start-ozone.sh.
> 5.  Two datanode regisisterd to SCM. Two datanode fail to appear at SCM side. 
>  
> Checked these two failed node, datanode process is still running. In the 
> logfile, I found a lot of following errors. 
> 2019-09-12 21:06:45,255 [Datanode State Machine Thread - 0] INFO       - 
> Starting XceiverServerRatis ba17ad5e-714e-4d82-85d8-ff2e0737fcf9 at port 9858
> 2019-09-12 21:06:47,255 [Datanode State Machine Thread - 0] INFO       - 
> Attempting to start container services.
> 2019-09-12 21:06:47,255 [Datanode State Machine Thread - 0] INFO       - 
> Background container scanner has been disabled.
> 2019-09-12 21:06:47,255 [Datanode State Machine Thread - 0] INFO       - 
> Starting XceiverServerRatis ba17ad5e-714e-4d82-85d8-ff2e0737fcf9 at port 9858
> 2019-09-12 21:06:47,255 [Datanode State Machine Thread - 0] ERROR      - 
> Unable to communicate to SCM server at 10.120.110.183:9861 for past 2100 
> seconds.
> org.apache.ratis.protocol.ChecksumException: LogEntry is corrupt. Calculated 
> checksum is -134141393 but read checksum 0
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogReader.decodeEntry(SegmentedRaftLogReader.java:299)
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogReader.readEntry(SegmentedRaftLogReader.java:185)
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogInputStream.nextEntry(SegmentedRaftLogInputStream.java:121)
>         at 
> org.apache.ratis.server.raftlog.segmented.LogSegment.readSegmentFile(LogSegment.java:94)
>         at 
> org.apache.ratis.server.raftlog.segmented.LogSegment.loadSegment(LogSegment.java:117)
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLogCache.loadSegment(SegmentedRaftLogCache.java:310)
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLog.loadLogSegments(SegmentedRaftLog.java:234)
>         at 
> org.apache.ratis.server.raftlog.segmented.SegmentedRaftLog.openImpl(SegmentedRaftLog.java:204)
>         at org.apache.ratis.server.raftlog.RaftLog.open(RaftLog.java:247)
>         at 
> org.apache.ratis.server.impl.ServerState.initRaftLog(ServerState.java:190)
>         at 
> org.apache.ratis.server.impl.ServerState.<init>(ServerState.java:120)
>         at 
> org.apache.ratis.server.impl.RaftServerImpl.<init>(RaftServerImpl.java:110)
>         at 
> org.apache.ratis.server.impl.RaftServerProxy.lambda$newRaftServerImpl$2(RaftServerProxy.java:208)
>         at 
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:748)



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